Miniature multifunctional frequency converter

By using an integrated housing design and environmentally friendly flame-retardant ABS material, the problem of the large size of the frequency converter has been solved, realizing the miniaturization and functional improvement of the frequency converter. It is suitable for speed regulation of small power motors and has a high cost performance.

CN223816303UActive Publication Date: 2026-01-20DONGGUAN QUANPU ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520374297.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-20
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing frequency converters have complex layouts, resulting in large sizes that cannot meet the precision and compact requirements of mechanical equipment and home appliances.

Method used

It adopts an integrated housing design, including the driver board and motherboard, combined with heat sinks and airflow channels, using environmentally friendly flame-retardant ABS material, integrating input and output terminals, and fixing the built-in display board with locking screws, simplifying the structure and installation process.

Benefits of technology

It achieves miniaturization of the frequency converter, simplifies the structure, reduces costs, improves safety and durability, facilitates installation and use, is suitable for speed regulation of low-power motors, has complete functions, and offers high cost performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223816303U_ABST
Patent Text Reader

Abstract

The utility model discloses a miniature multifunctional frequency converter, which comprises a driving board, a mainboard and an integrated shell, the driving board is electrically connected with the mainboard, the bottom of the integrated shell is provided with a radiating fin, and the radiating fin and the integrated shell are fixed through more than one locking fixing screw. The cooling fins are matched with the integrated shell to form a containing cavity, the driving board and the main board are sequentially fixed in the containing cavity from bottom to top, and an air flow channel is arranged between the driving board and the main board. The structure is mainly used for regulating the speed of a low-power motor and requires a frequency converter which is small in size, complete in function, high in quality, capable of supporting function selection and matching and high in cost performance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of frequency converter, specifically is a micro multi -functional frequency converter. BACKGROUND

[0002] Frequency converter application industry is very extensive, mainly is satisfied to motor speed control starting operation stop etc.

[0003] And the present ordinary traditional frequency converter has following problem: 1, overall volume layout is complex, finally leads to bulky.

[0004] Therefore need improvement. UTILITY MODEL CONTENT

[0005] The utility model discloses a micro multi -functional frequency converter to solve the problem of complex layout and bulky of the existing frequency converter in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a micro multi -functional frequency converter, including drive board, mainboard and integration shell, drive board, mainboard electricity is connected, the bottom of integration shell is provided with fin, and the fin is fixed between integration shell through more than one locking fixed screw, and the fin and integration shell cooperate inside and constitute containing cavity, drive board, mainboard are fixed in containing cavity from down to up in sequence, and drive board is provided with air flow channel passageway between mainboard.

[0007] As preferred, to improve the heat dissipation effect, more than one support column one is provided on the fin, the drive board is fixed on support column one, more than one support column two is fixed on the drive board, and the mainboard is fixed on support column two.

[0008] As preferred, to facilitate later dismounting, display board mounting groove is provided on the top of integration shell, built-in display board that is electrically connected with mainboard is provided below display board mounting groove, and the built-in display board is fixed in the top of integration shell through more than one locking screw.

[0009] As preferred, to improve safety, display board transparent panel is provided above display board mounting groove.

[0010] As preferred, more than one plug-in hole is provided on the side of integration shell.

[0011] As preferred, in order to facilitate user use, control terminal label is further arranged above the integrated shell.

[0012] As preferred, the main plate is L-shaped structure.

[0013] As preferred, the integrated shell is prepared from environment-friendly flame-retardant ABS material, the integrated shell is prepared from flame-retardant ABS material, is environment-friendly and safe, and guarantees safety and long-term durability of the driver.

[0014] As preferred, the heat dissipation effect is further improved, and more than one heat dissipation through hole is arranged on each side of the integrated shell.

[0015] As preferred, installation is facilitated, two installation through holes are arranged on the heat dissipation fins, and an arc-shaped notch is arranged above the corresponding installation through hole on the integrated shell.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] First, the structure is simplified, the shell is integrated to form an integrated shell 3, the structure and volume are simplified, the volume is as small as possible under the premise of guaranteeing power and function, the overall size is strictly controlled, and finally the shell size can reach 129*110*70mm, the customers with particularly small volume requirements are targeted, the integrated shell design is adopted, the structure is simple, installation is convenient and fast, and cost is saved.

[0018] Meanwhile, the input and output terminals are centrally arranged on the side of the driving plate 2, customer use is facilitated, the driving plate and the main plate are arranged in an upper and lower manner, a simple appearance is independently designed, installation is simple, and the utility model is very suitable for equipment batch installation; except for the selected external display plate terminal, other wiring terminals are arranged below the main plate 2, and the appearance of equipment wiring is guaranteed;

[0019] Meanwhile, the integrated shell is prepared from flame-retardant ABS material, is environment-friendly and safe, guarantees safety and long-term durability of the driver, the shell is prepared from environment-friendly flame-retardant ABS material and can be recycled, and the safety is greatly improved due to the plastic insulation and flame retardance;

[0020] Since the built-in display plate is fixed to the top of the integrated shell through locking screws and is convenient for later dismounting, the built-in display plate can expand the use range of the external display panel, for example, the frequency converter is installed in a case, the panel can be arranged outside the case, installation is convenient, user operation is facilitated, and different lengths can be matched to meet different needs of customers;

[0021] The utility model is mainly used for small-power motor speed regulation, small size, perfect function, high quality, support function selection, and high cost performance of the frequency converter. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Fig. 1 is a schematic diagram of the overall structure of a micro multi-functional frequency converter according to the present embodiment 1;

[0023] Figure 2 Fig. 2 is a schematic diagram of the structure of the micro multi-functional frequency converter according to the present embodiment 1 without the installation of an integrated shell; Figure 1

[0024] Figure 3 Fig. 3 is an exploded view of the micro multi-functional frequency converter according to the present embodiment 1;

[0025] Figure 4 Fig. 4 is a wiring reference diagram of the micro multi-functional frequency converter according to the present embodiment 1.

[0026] In the figure: drive board 1, main board 2, integrated shell 3, heat sink 4, locking fixing screw 5, air flow passage 6, support column 1 7, support column 2 8, display board mounting slot 9, built-in display board 10, locking screw 11, display board transparent panel 12, plug-in hole 13, control terminal label 14, heat dissipation through-hole 15, mounting through-hole 1 16, arc-shaped notch 17. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment 1

[0029] Please refer to Figures 1-4 ​The utility model provides a kind of miniature multifunctional frequency converter, including drive board 1, mainboard 2 and integrated shell 3, the integrated shell 3 is prepared from environmentally friendly flame-retardant ABS material, and the integrated shell 3 of this structure is made of flame-retardant ABS material, environmentally friendly safety, guarantee driver safety and long-lasting durability, the mainboard 2 is L-shaped structure, the drive board 1, mainboard 2 are electrically connected, the bottom of the integrated shell 3 is provided with fin 4, and more than one plug-in hole 13 is provided on the side of the integrated shell 3, by additionally inserting plug-in hole 13, user is connected with other components, the fin 4 and integrated shell 3 are fixed by more than one locking fixing screw 5, the fin 4 and integrated shell 3 cooperate inside and form containing cavity, the drive board 1, mainboard 2 are sequentially fixed in the containing cavity from below to above, and air flow passage 6 is provided between drive board 1 and mainboard 2, and it is convenient for late installation, two mounting through holes one 16 are provided on the fin 4, arc-shaped notch 17 above corresponding mounting through hole one 16 is provided on the integrated shell 3, by setting arc-shaped notch 17 above integrated shell 3, it is convenient for late screw to be inserted into mounting through hole one 1 after passing through arc-shaped notch 17, and the device is fixed on corresponding position, further facilitate user installation.

[0030] As preferred, to improve the heat dissipation effect, more than one support column one 7 is provided on the fin 4, the drive board 1 is fixed on the support column one 7, more than one support column two 8 is fixed on the drive board 1, and the mainboard 2 is fixed on the support column two 8.

[0031] As preferred, to facilitate late disassembly, display board mounting groove 9 is provided above the integrated shell 3, built-in display board 10 electrically connected with mainboard 2 is provided below the display board mounting groove 9, and the built-in display board 10 is fixed in the top of integrated shell 3 by more than one locking screw 11.

[0032] As preferred, to improve safety, display board transparent panel 12 is provided above the display board mounting groove 9, by additionally adding display board transparent panel 12, it avoids water from entering integrated shell 3 through display board mounting groove 9 to affect the safety of internal electrical equipment, to facilitate user use, control terminal label 14 is further provided above the integrated shell 3, by additionally adding control terminal label 14, it is convenient for user to wire, and further improve the heat dissipation effect, more than one heat dissipation through hole 15 is provided on both sides of the integrated shell 3, by setting heat dissipation through hole 15 and cooperating with internal air flow passage 6, it ensures internal and external air circulation to further improve the heat dissipation effect.

[0033] The technical advantages of the structure are as follows:

[0034] First, the structure simplifies the design, integrates the design of the shell to form an integrated shell 3, simplifies the structure and volume, ensures the power and function under the premise of as small as possible volume; strictly control the overall size, the final shell size can be 129*110*70mm, for the customers with particularly small volume requirements; the integrated shell design makes the structure simple, easy to install, saves cost.

[0035] At the same time, the input and output terminals are arranged in the driving plate 2 side, which is convenient for customers to use, and the driving plate 1 and the main plate 2 are arranged in the upper and lower partitions, the independent design is simple in appearance, easy to install, and very suitable for equipment batch installation; in addition to the selected external display plate terminal, other wiring terminals are designed below the main plate 2, which ensures the beauty of the equipment wiring;

[0036] At the same time, the integrated shell 3 adopts flame-retardant ABS material, which is environmentally friendly and safe, and ensures the safety and long service life of the driver; the shell adopts environmentally friendly flame-retardant ABS material which can be recycled, and the plastic insulation and flame retardance are greatly improved to improve the safety;

[0037] Since the built-in display panel 10 is fixed to the top of the integrated shell 3 by the locking screw 11, it is convenient to disassemble in the later period, so the built-in display panel 10 realizes the external display panel and can expand the use range, such as the frequency converter is installed in the case, the panel can be placed outside the case, easy to install, and the user can operate conveniently, and can be matched with different lengths to meet the needs of customers in different occasions;

[0038] The function is complete, and the function of the conventional frequency converter can be realized by controlling the terminal and setting different parameters, and the brake resistance can be connected to realize the rapid brake function.

[0039] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A miniature multi-functional frequency converter, comprising a drive board (1), a main board (2), and an integrated housing (3), wherein the drive board (1) and the main board (2) are electrically connected, characterized in that: The bottom of the integrated housing (3) is provided with a heat sink (4). The heat sink (4) and the integrated housing (3) are fixed by one or more locking screws (5). The heat sink (4) and the integrated housing (3) cooperate to form an internal cavity. The drive board (1) and the main board (2) are fixed in the cavity from bottom to top. An air flow channel (6) is provided between the drive board (1) and the main board (2).

2. The miniature multi-functional frequency converter according to claim 1, characterized in that: The heat sink (4) is provided with one or more support columns (7), the drive plate (1) is fixed on the support column (7), the drive plate (1) is fixed with one or more support columns (8), and the main board (2) is fixed on the support column (8).

3. The miniature multi-functional frequency converter according to claim 1, characterized in that: A display panel mounting slot (9) is provided above the integrated housing (3), and an internal display panel (10) electrically connected to the motherboard (2) is provided below the display panel mounting slot (9). The internal display panel (10) is fixed inside the top of the integrated housing (3) by one or more locking screws (11).

4. The miniature multi-functional frequency converter according to claim 3, characterized in that: A transparent panel (12) is provided above the display panel mounting slot (9).

5. The miniature multi-functional frequency converter according to claim 1, 2, 3, or 4, characterized in that: One or more insertion holes (13) are provided on the side of the integrated housing (3).

6. The miniature multi-functional frequency converter according to claim 1, 2, 3, or 4, characterized in that: A control terminal label (14) is also provided above the integrated housing (3).

7. The miniature multi-functional frequency converter according to claim 1, 2, 3, or 4, characterized in that: The motherboard (2) is an L-shaped structure.

8. The miniature multi-functional frequency converter according to claim 1, 2, 3, or 4, characterized in that: The integrated shell (3) is made of environmentally friendly flame-retardant ABS material.

9. The miniature multi-functional frequency converter according to claim 1, 2, 3, or 4, characterized in that: The integrated housing (3) has one or more heat dissipation holes (15) on both sides.

10. The miniature multi-functional frequency converter according to claim 1, 2, 3, or 4, characterized in that: Two mounting through holes (16) are provided on the heat sink (4), and an arc-shaped notch (17) is provided on the integrated housing (3) above the corresponding mounting through hole (16).